From 4498194bad77689131bb2e6e5661e7394de88dde Mon Sep 17 00:00:00 2001
From: Dmitry Kovalev <dkovalev@google.com>
Date: Fri, 2 May 2014 11:08:11 -0700
Subject: [PATCH] Cleaning up vp9_variance.c
Change-Id: Ie2b9c9881085053c191f3f7b8253e283edef573b
---
vp9/encoder/vp9_variance.c | 69 +++++++++++++-------------------------
1 file changed, 23 insertions(+), 46 deletions(-)
diff --git a/vp9/encoder/vp9_variance.c b/vp9/encoder/vp9_variance.c
index ae3c86aee7..324a1de84f 100644
--- a/vp9/encoder/vp9_variance.c
+++ b/vp9/encoder/vp9_variance.c
@@ -113,12 +113,9 @@ unsigned int vp9_get_mb_ss_c(const int16_t *src_ptr) {
unsigned int vp9_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
const uint8_t *b, int b_stride, \
unsigned int *sse) { \
- unsigned int var; \
- int avg; \
-\
- variance(a, a_stride, b, b_stride, W, H, &var, &avg); \
- *sse = var; \
- return var - (((int64_t)avg * avg) / (W * H)); \
+ int sum; \
+ variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
+ return *sse - (((int64_t)sum * sum) / (W * H)); \
}
#define SUBPIX_VAR(W, H) \
@@ -172,56 +169,36 @@ void vp9_get_sse_sum_8x8_c(const uint8_t *src_ptr, int source_stride,
variance(src_ptr, source_stride, ref_ptr, ref_stride, 8, 8, sse, sum);
}
-unsigned int vp9_mse16x16_c(const uint8_t *src_ptr,
- int source_stride,
- const uint8_t *ref_ptr,
- int recon_stride,
+unsigned int vp9_mse16x16_c(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
unsigned int *sse) {
- unsigned int var;
- int avg;
-
- variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
- *sse = var;
- return var;
+ int sum;
+ variance(src, src_stride, ref, ref_stride, 16, 16, sse, &sum);
+ return *sse;
}
-unsigned int vp9_mse16x8_c(const uint8_t *src_ptr,
- int source_stride,
- const uint8_t *ref_ptr,
- int recon_stride,
+unsigned int vp9_mse16x8_c(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
unsigned int *sse) {
- unsigned int var;
- int avg;
-
- variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, &var, &avg);
- *sse = var;
- return var;
+ int sum;
+ variance(src, src_stride, ref, ref_stride, 16, 8, sse, &sum);
+ return *sse;
}
-unsigned int vp9_mse8x16_c(const uint8_t *src_ptr,
- int source_stride,
- const uint8_t *ref_ptr,
- int recon_stride,
+unsigned int vp9_mse8x16_c(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
unsigned int *sse) {
- unsigned int var;
- int avg;
-
- variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, &var, &avg);
- *sse = var;
- return var;
+ int sum;
+ variance(src, src_stride, ref, ref_stride, 8, 16, sse, &sum);
+ return *sse;
}
-unsigned int vp9_mse8x8_c(const uint8_t *src_ptr,
- int source_stride,
- const uint8_t *ref_ptr,
- int recon_stride,
+unsigned int vp9_mse8x8_c(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
unsigned int *sse) {
- unsigned int var;
- int avg;
-
- variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
- *sse = var;
- return var;
+ int sum;
+ variance(src, src_stride, ref, ref_stride, 8, 8, sse, &sum);
+ return *sse;
}
VAR(4, 4)
--
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